Improvement in fastening roofing-slates



'3. MARANVILLE. Fastening for Roo:fing-latsl Patented May 7,1878.

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UNITED STATES f PATENT OEEICE GALUSHA MARANVILLE, OF RUTLAND, VERMONT, ASSIGNOR TO EDWARD BowMAN AND o. EINGEAM LEAOH, OF SAME PLAGE.

IMPROVEMENT IN FASTENIVNGr ROOFING-SLATES.

Specication forming part of Letters Patent N o. 203,353, dated May 7, 1878; application filed February 16,1878.

To all whom it may concern:

Be it known that I, GALUsHA MARANVILLE, of Rutland, in` the county of Rutland and State of Vermont, have invented certain new and useful Improvements in Slates for Boofing 5 and I do hereby declare that the following is a full, clear, and exact description thereof, which will enable others skilled in the art to which it appertains to make and use the same,

reference being had to theaccompanying drawings, and to the letters of reference marked thereon, which form a part of this specification.

My invention relates to slate used for roofing; and it consists in a soft-metal collar used under the head of each nail for securing the slate, as will be hereinafter more fully set forth.

In the annexed drawings, to which reference is made, and which fully illustrate my invention, Figurelis a plan view of a slate. Fig. 2 is a similar view of the opposite side. Fig. 3 is a plan view, showing the collar and nail at tached; and Fig. 4 is a central vertical section taken on line x x, Fig. 3.

A represents a piece of slate for roofing,

with hole a punched therein for the passage of the nail to fasten the slate.

The punching of the slate from one side through this collar, and then through the hole I ain the slate. This prevents the nail-headfrom .sliding through, and lls up the concavity b made by the puncture in the slate, and renders the slate less liable to break, from the fact that the last blow struck on the nail will cause the collar to yield slightly.

Having thus fully described my invention, what I claim as new, and desire to secure by Letters Patent, is

A soft-metal collar, C, in combination with slating A and the fastening-nail B, for the purposes herein set forth.

In testimony that I claim the foregoing as my own I have hereto affixed my signature in presence of two witnesses.

GALUSHA MARANVILLE. Witnesses:

EDWARD BOWMAN, C. B. LEAcH. 

